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United States Patent | 5,235,077 |
Amini ,   et al. | August 10, 1993 |
An improved process for preparing phenyl esters of alkanoyloxyacetic acids in which phenyl chloroacetate is reacted with the salt of a carboxylic acid.
Inventors: | Amini; Bijan (Moorestown, NJ); Dumas; Donald J. (Wilmington, DE); Fong; Ronald A. (Modesto, CA); Sonnichsen; George C. (Wilmington, DE) |
Assignee: | E. I. Du Pont de Nemours and Company (Wilmington, DE) |
Appl. No.: | 674498 |
Filed: | March 25, 1991 |
Current U.S. Class: | 554/152; 554/185 |
Intern'l Class: | C07C 051/00 |
Field of Search: | 200/410.5 554/152 544/185 |
2073937 | Mar., 1937 | Kyrides | 260/103. |
2659697 | Nov., 1953 | Waco et al. | 252/51. |
Foreign Patent Documents | |||
267047 | May., 1988 | EP. | |
0402047 | Dec., 1990 | EP. | |
0444742 | Sep., 1991 | EP. |